Drain cover



FIG. 1 is a perspective view of a preferred embodiment of our design for a drain cover;

FIG. 2 is a plan view thereof;

FIG. 3 is a first end elevation thereof;

FIG. 4 is a second end elevation thereof; and,

FIG. 5 is a bottom plan view thereof. 

We claim the ornamental design for a drain cover, as shown and described. 